Merge branch 'master' into int-new (1c5b4c5d) · Commits · 戴 / Bird

.gitignore

+3 −2

Original line number	Diff line number	Diff line
		@@ -5,8 +5,9 @@
		/bird
		/birdc
		/birdcl
		/bird.conf
		/bird.log
		/config.log
		/config.status
		/configure
		/bird.conf
		/bird.log
		/sysdep/autoconf.h.in

aclocal.m4

+48 −72

Original line number	Diff line number	Diff line
		dnl ** Additional Autoconf tests for BIRD configure script
		dnl ** (c) 1999 Martin Mares <mj@ucw.cz>

		AC_DEFUN([BIRD_CHECK_STRUCT_ALIGN],
		[AC_CACHE_CHECK([usual alignment of structures],bird_cv_c_struct_align,[
		AC_TRY_RUN([
		#include <stdio.h>

		struct { char x; long int y; } ary[2];

		int main(void)
		{
		FILE *f = fopen("conftestresult", "w");
		if (!f) return 10;
		fprintf(f, "%d", sizeof(ary)/2);
		fclose(f);
		exit(0);
		}
		],[
		bird_cv_c_struct_align=`cat conftestresult`
		],[
		AC_MSG_RESULT([test program failed])
		AC_MSG_ERROR([Cannot determine structure alignment])
		],[bird_cv_c_struct_align=16])
		])
		AC_DEFINE_UNQUOTED([CPU_STRUCT_ALIGN], [$bird_cv_c_struct_align], [Usual alignment of structures])
		])

		AC_DEFUN([BIRD_CHECK_TIME_T],
		[AC_CACHE_CHECK([characteristics of time_t], bird_cv_type_time_t, [
		AC_TRY_RUN([
		#include <stdio.h>
		#include <sys/time.h>
		#include <limits.h>

		int main(void)
		{
		FILE *f = fopen("conftestresult", "w");
		if (!f) return 10;
		fprintf(f, "%d-bit ", sizeof(time_t)*CHAR_BIT);
		if ((time_t) -1 > 0) fprintf(f, "un");
		fprintf(f, "signed");
		fclose(f);
		exit(0);
		}
		],[bird_cv_type_time_t=`cat conftestresult`
		],[ AC_MSG_RESULT([test program failed])
		AC_MSG_ERROR([Cannot determine time_t size and signedness.])
		],[bird_cv_type_time_t="32-bit signed"])
		])
		case "$bird_cv_type_time_t" in
		64-bit) AC_DEFINE([TIME_T_IS_64BIT], [1], [Define to 1 if time_t is 64 bit]) ;;
		esac
		case "$bird_cv_type_time_t" in
		unsigned) ;;
		*) AC_DEFINE([TIME_T_IS_SIGNED], [1], [Define to 1 if time_t is signed]) ;;
		esac
		])

		AC_DEFUN([BIRD_CHECK_PTHREADS],
		[
		bird_tmp_cflags="$CFLAGS"

		CFLAGS="$CFLAGS -pthread"
		AC_CACHE_CHECK([whether POSIX threads are available], bird_cv_lib_pthreads,
		[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]], [[pthread_t pt; pthread_create(&pt, NULL, NULL, NULL); pthread_spinlock_t lock; pthread_spin_lock(&lock); ]])],
		[bird_cv_lib_pthreads=yes], [bird_cv_lib_pthreads=no])])

		AC_CACHE_CHECK(
		[whether POSIX threads are available],
		[bird_cv_lib_pthreads],
		[
		AC_LINK_IFELSE(
		[
		AC_LANG_PROGRAM(
		[ #include <pthread.h> ],
		[
		pthread_t pt;
		pthread_create(&pt, NULL, NULL, NULL);
		pthread_spinlock_t lock;
		pthread_spin_lock(&lock);
		]
		)
		],
		[bird_cv_lib_pthreads=yes],
		[bird_cv_lib_pthreads=no]
		)
		]
		)

		CFLAGS="$bird_tmp_cflags"
		])
		@@ -72,10 +34,19 @@ AC_DEFUN([BIRD_CHECK_PTHREADS],
		AC_DEFUN([BIRD_CHECK_GCC_OPTION],
		[
		bird_tmp_cflags="$CFLAGS"

		CFLAGS="$3 $2"
		AC_CACHE_CHECK([whether CC supports $2], $1,
		[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], [$1=yes], [$1=no])])

		AC_CACHE_CHECK(
		[whether CC supports $2],
		[$1],
		[
		AC_COMPILE_IFELSE(
		[AC_LANG_PROGRAM()],
		[$1=yes],
		[$1=no]
		)
		]
		)

		CFLAGS="$bird_tmp_cflags"
		])
		@@ -88,14 +59,19 @@ AC_DEFUN([BIRD_ADD_GCC_OPTION],
		])

		# BIRD_CHECK_PROG_FLAVOR_GNU(PROGRAM-PATH, IF-SUCCESS, [IF-FAILURE])
		# copied autoconf internal _AC_PATH_PROG_FLAVOR_GNU
		# copied from autoconf internal _AC_PATH_PROG_FLAVOR_GNU
		AC_DEFUN([BIRD_CHECK_PROG_FLAVOR_GNU],
		[# Check for GNU $1
		[
		# Check for GNU $1
		case `"$1" --version 2>&1` in
		GNU)
		$2;;
		$2
		;;
		m4_ifval([$3],
		[*)
		$3;;
		])esac
		$3
		;;
		]
		)
		esac
		])

configure.ac

+230 −138

Original line number	Diff line number	Diff line
		@@ -4,18 +4,60 @@ dnl ** (c) 1999--2000 Martin Mares <mj@ucw.cz>

		AC_INIT
		AC_CONFIG_SRCDIR([conf/confbase.Y])
		AC_CONFIG_AUX_DIR(tools)

		AC_ARG_ENABLE(debug, [ --enable-debug enable internal debugging routines (default: disabled)],,enable_debug=no)
		AC_ARG_ENABLE(memcheck, [ --enable-memcheck check memory allocations when debugging (default: enabled)],,enable_memcheck=yes)
		AC_ARG_ENABLE(client, [ --enable-client enable building of BIRD client (default: enabled)],,enable_client=yes)
		AC_ARG_ENABLE(pthreads, [ --enable-pthreads enable POSIX threads support (default: detect)],,enable_pthreads=try)
		AC_ARG_ENABLE(libssh, [ --enable-libssh enable LibSSH support together with RPKI protocol (default: detect)],,enable_libssh=try)
		AC_ARG_WITH(sysconfig, [ --with-sysconfig=FILE use specified BIRD system configuration file])
		AC_ARG_WITH(protocols, [ --with-protocols=LIST include specified routing protocols (default: all)],,[with_protocols="all"])
		AC_ARG_WITH(sysinclude, [ --with-sysinclude=PATH search for system includes on specified place])
		AC_ARG_WITH(runtimedir, [ --with-runtimedir=PATH path for runtime files (default: $(localstatedir)/run)],[runtimedir="$with_runtimedir"],[runtimedir="\$(localstatedir)/run"])
		AC_ARG_WITH(iproutedir, [ --with-iproutedir=PATH path to iproute2 config files (default: /etc/iproute2)],[given_iproutedir="yes"])
		AC_CONFIG_AUX_DIR([tools])

		AC_ARG_ENABLE([client],
		[AS_HELP_STRING([--enable-client], [enable building of BIRD client @<:@yes@:>@])],
		[],
		[enable_client=yes]
		)

		AC_ARG_ENABLE([debug],
		[AS_HELP_STRING([--enable-debug], [enable internal debugging routines @<:@no@:>@])],
		[],
		[enable_debug=no]
		)

		AC_ARG_ENABLE([memcheck],
		[AS_HELP_STRING([--enable-memcheck], [check memory allocations when debugging @<:@yes@:>@])],
		[],
		[enable_memcheck=yes]
		)

		AC_ARG_ENABLE([pthreads],
		[AS_HELP_STRING([--enable-pthreads], [enable POSIX threads support @<:@try@:>@])],
		[],
		[enable_pthreads=try]
		)

		AC_ARG_ENABLE([libssh],
		[AS_HELP_STRING([--enable-libssh], [enable LibSSH support together with RPKI @<:@try@:>@])],
		[],
		[enable_libssh=try]
		)

		AC_ARG_WITH([protocols],
		[AS_HELP_STRING([--with-protocols=LIST], [include specified routing protocols @<:@all@:>@])],
		[],
		[with_protocols="all"]
		)

		AC_ARG_WITH([sysconfig],
		[AS_HELP_STRING([--with-sysconfig=FILE], [use specified BIRD system configuration file])],
		[]
		)

		AC_ARG_WITH([runtimedir],
		[AS_HELP_STRING([--with-runtimedir=PATH], [path for runtime files @<:@LOCALSTATEDIR/run@:>@])],
		[runtimedir="$with_runtimedir"],
		[runtimedir="\$(localstatedir)/run"]
		)

		AC_ARG_WITH([iproutedir],
		[AS_HELP_STRING([--with-iproutedir=PATH], [path to iproute2 config files @<:@/etc/iproute2@:>@])],
		[given_iproutedir="yes"]
		)

		AC_ARG_VAR([FLEX], [location of the Flex program])
		AC_ARG_VAR([BISON], [location of the Bison program])
		AC_ARG_VAR([M4], [location of the M4 program])
		@@ -31,10 +73,10 @@ fi

		exedir=.

		AC_SUBST(objdir)
		AC_SUBST(exedir)
		AC_SUBST(srcdir)
		AC_SUBST(runtimedir)
		AC_SUBST([objdir])
		AC_SUBST([exedir])
		AC_SUBST([srcdir])
		AC_SUBST([runtimedir])


		if test "$enable_debug" = yes ; then
		@@ -44,11 +86,13 @@ else
		CONFIG_FILE="\$(sysconfdir)/bird.conf"
		CONTROL_SOCKET="$runtimedir/bird.ctl"
		fi
		AC_SUBST(CONFIG_FILE)
		AC_SUBST(CONTROL_SOCKET)
		AC_SUBST([CONFIG_FILE])
		AC_SUBST([CONTROL_SOCKET])

		AC_SEARCH_LIBS(clock_gettime, [rt posix4], ,
		AC_MSG_ERROR([[Function clock_gettime not available.]]))
		AC_SEARCH_LIBS([clock_gettime], [rt posix4],
		[],
		[AC_MSG_ERROR([Function clock_gettime not available.])]
		)

		AC_CANONICAL_HOST

		@@ -95,32 +139,36 @@ if test "$enable_libssh" != no ; then
		fi

		if test "$bird_cflags_default" = yes ; then
		BIRD_CHECK_GCC_OPTION(bird_cv_c_option_wno_pointer_sign, -Wno-pointer-sign, -Wall)
		BIRD_CHECK_GCC_OPTION(bird_cv_c_option_wno_missing_init, -Wno-missing-field-initializers, -Wall -Wextra)
		BIRD_CHECK_GCC_OPTION(bird_cv_c_option_fno_strict_aliasing, -fno-strict-aliasing)
		BIRD_CHECK_GCC_OPTION(bird_cv_c_option_fno_strict_overflow, -fno-strict-overflow)
		BIRD_CHECK_GCC_OPTION([bird_cv_c_option_wno_pointer_sign], [-Wno-pointer-sign], [-Wall])
		BIRD_CHECK_GCC_OPTION([bird_cv_c_option_wno_missing_init], [-Wno-missing-field-initializers], [-Wall -Wextra])
		BIRD_CHECK_GCC_OPTION([bird_cv_c_option_fno_strict_aliasing], [-fno-strict-aliasing])
		BIRD_CHECK_GCC_OPTION([bird_cv_c_option_fno_strict_overflow], [-fno-strict-overflow])

		CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes -Wno-parentheses"
		BIRD_ADD_GCC_OPTION(bird_cv_c_option_wno_pointer_sign, -Wno-pointer-sign)
		BIRD_ADD_GCC_OPTION(bird_cv_c_option_wno_missing_init, -Wno-missing-field-initializers)
		BIRD_ADD_GCC_OPTION(bird_cv_c_option_fno_strict_aliasing, -fno-strict-aliasing)
		BIRD_ADD_GCC_OPTION(bird_cv_c_option_fno_strict_overflow, -fno-strict-overflow)
		BIRD_ADD_GCC_OPTION([bird_cv_c_option_wno_pointer_sign], [-Wno-pointer-sign])
		BIRD_ADD_GCC_OPTION([bird_cv_c_option_wno_missing_init], [-Wno-missing-field-initializers])
		BIRD_ADD_GCC_OPTION([bird_cv_c_option_fno_strict_aliasing], [-fno-strict-aliasing])
		BIRD_ADD_GCC_OPTION([bird_cv_c_option_fno_strict_overflow], [-fno-strict-overflow])
		fi
		AC_MSG_CHECKING([CFLAGS])
		AC_MSG_RESULT($CFLAGS)
		AC_MSG_RESULT([$CFLAGS])


		AC_PROG_CPP
		AC_PROG_INSTALL
		AC_PROG_RANLIB
		AC_CHECK_PROG(FLEX, flex, flex)
		AC_CHECK_PROG(BISON, bison, bison)
		AC_CHECK_PROGS(M4, gm4 m4)
		AC_CHECK_PROG([FLEX], [flex], [flex])
		AC_CHECK_PROG([BISON], [bison], [bison])
		AC_CHECK_PROGS([M4], [gm4 m4])

		test -z "$FLEX" && AC_MSG_ERROR([Flex is missing.])
		test -z "$BISON" && AC_MSG_ERROR([Bison is missing.])
		test -z "$M4" && AC_MSG_ERROR([M4 is missing.])
		BIRD_CHECK_PROG_FLAVOR_GNU([$M4], , [AC_MSG_ERROR([Provided M4 is not GNU M4.])])

		BIRD_CHECK_PROG_FLAVOR_GNU([$M4],
		[],
		[AC_MSG_ERROR([Provided M4 is not GNU M4.])]
		)

		if test -n "$with_sysconfig" -a "$with_sysconfig" != no ; then
		if test -f $with_sysconfig ; then
		@@ -135,28 +183,35 @@ elif test -f sysconfig.h ; then
		sysdesc=sysconfig
		else
		case "$host_os" in
		linux*) sysdesc=linux
		linux*)
		sysdesc=linux
		default_iproutedir="/etc/iproute2"
		;;
		freebsd*) sysdesc=bsd
		freebsd*)
		sysdesc=bsd
		;;
		kfreebsd*) sysdesc=bsd
		kfreebsd*)
		sysdesc=bsd
		;;
		netbsd*) sysdesc=bsd
		netbsd*)
		sysdesc=bsd
		CPPFLAGS="$CPPFLAGS -I/usr/pkg/include"
		LDFLAGS="$LDFLAGS -L/usr/pkg/lib -R/usr/pkg/lib"
		;;
		openbsd*) sysdesc=bsd
		openbsd*)
		sysdesc=bsd
		;;
		dragonfly*) sysdesc=bsd
		dragonfly*)
		sysdesc=bsd
		;;
		*) AC_MSG_ERROR([Cannot determine correct system configuration. Please use --with-sysconfig to set it manually.])
		*)
		AC_MSG_ERROR([Cannot determine correct system configuration. Please use --with-sysconfig to set it manually.])
		;;
		esac
		sysdesc=$srcdir/sysdep/cf/$sysdesc.h
		fi
		AC_MSG_CHECKING([which OS configuration should we use])
		AC_MSG_RESULT($sysdesc)
		AC_MSG_RESULT([$sysdesc])
		if ! test -f $sysdesc ; then
		AC_MSG_ERROR([The system configuration file is missing.])
		fi
		@@ -165,8 +220,8 @@ AC_DEFINE_UNQUOTED([SYSCONF_INCLUDE], ["$sysdesc"], [Which sysdep header to incl

		AC_MSG_CHECKING([system-dependent directories])
		sysdep_dirs="`sed <$sysdesc '/^Link: /!d;s/^Link: $.*$$/\1/' \| tr '\012' ' '`"
		AC_MSG_RESULT($sysdep_dirs)
		AC_SUBST(sysdep_dirs)
		AC_MSG_RESULT([$sysdep_dirs])
		AC_SUBST([sysdep_dirs])

		if test "$with_iproutedir" = no ; then with_iproutedir= ; fi

		@@ -175,7 +230,7 @@ then iproutedir=$with_iproutedir
		else iproutedir=$default_iproutedir
		fi

		AC_SUBST(iproutedir)
		AC_SUBST([iproutedir])

		all_protocols="$proto_bfd babel bgp ospf pipe radv rip $proto_rpki static"

		@@ -200,28 +255,39 @@ protocols=`echo "$with_protocols" \| sed 's/,/ /g'`
		if test "$protocols" = no ; then protocols= ; fi
		for a in $protocols ; do
		if ! test -f $srcdir/proto/$a/Makefile ; then
		AC_MSG_RESULT(failed)
		AC_MSG_ERROR([Requested protocol $a not found.])
		AC_MSG_RESULT([failed])
		AC_MSG_ERROR([Requested protocol $a not found])
		fi
		AC_DEFINE_UNQUOTED(CONFIG_`echo $a \| tr 'a-z' 'A-Z'`)
		AC_DEFINE_UNQUOTED([CONFIG_`echo $a \| tr 'a-z' 'A-Z'`])
		done
		AC_MSG_RESULT(ok)
		AC_SUBST(protocols)
		AC_MSG_RESULT([ok])
		AC_SUBST([protocols])

		case $sysdesc in
		/linux)
		AC_CHECK_HEADER(linux/rtnetlink.h,,[AC_MSG_ERROR([Appropriate version of Linux kernel headers not found.])],[
		AC_CHECK_HEADER([linux/rtnetlink.h],
		[],
		[AC_MSG_ERROR([Appropriate version of Linux kernel headers not found.])],
		[
		#include <asm/types.h>
		#include <sys/socket.h>
		])
		]
		)
		;;
		esac

		AC_CHECK_HEADERS_ONCE([alloca.h syslog.h])
		AC_CHECK_MEMBERS([struct sockaddr.sa_len], [], [], [#include <sys/socket.h>])

		AC_CHECK_HEADER([linux/lwtunnel.h], [AC_DEFINE([HAVE_LWTUNNEL], [1], [Define to 1 if you have the <linux/lwtunnel.h> header file.])])
		AC_CHECK_MEMBERS([struct rtvia.rtvia_family], [AC_DEFINE([HAVE_STRUCT_RTVIA], [1], [Define to 1 if you have rtvia structure.])],,[#include <linux/rtnetlink.h>])
		AC_CHECK_HEADER([linux/lwtunnel.h],
		[AC_DEFINE([HAVE_LWTUNNEL], [1], [Define to 1 if you have the <linux/lwtunnel.h> header file.])]
		)

		AC_CHECK_MEMBERS([struct rtvia.rtvia_family],
		[AC_DEFINE([HAVE_STRUCT_RTVIA], [1], [Define to 1 if you have rtvia structure.])],
		[],
		[#include <linux/rtnetlink.h>]
		)

		AC_C_BIGENDIAN(
		[AC_DEFINE([CPU_BIG_ENDIAN], [1], [Define to 1 if cpu is big endian])],
		@@ -229,18 +295,25 @@ AC_C_BIGENDIAN(
		[AC_MSG_ERROR([Cannot determine CPU endianity.])]
		)

		BIRD_CHECK_STRUCT_ALIGN
		BIRD_CHECK_TIME_T

		if test "$enable_debug" = yes ; then
		AC_DEFINE([DEBUGGING], [1], [Define to 1 if debugging is enabled])
		AC_CHECK_HEADER(execinfo.h, [AC_SEARCH_LIBS([backtrace, backtrace_symbols], [c execinfo], [AC_DEFINE([HAVE_EXECINFO_H], [1], [Define to 1 if you have the <execinfo.h> header file.])])])
		LDFLAGS="$LDFLAGS -rdynamic"
		CFLAGS="$CFLAGS -O0 -ggdb -g3 -gdwarf-4"

		AC_CHECK_HEADER([execinfo.h],
		[
		AC_DEFINE([HAVE_EXECINFO_H], [1], [Define to 1 if you have the <execinfo.h> header file.])
		AC_SEARCH_LIBS([backtrace], [execinfo],
		[]
		[AC_MSG_ERROR([Function backtrace not available.])]
		)
		]
		)

		if test "$enable_memcheck" = yes ; then
		AC_CHECK_LIB(dmalloc, dmalloc_debug)
		AC_CHECK_LIB([dmalloc], [dmalloc_debug])
		if test $ac_cv_lib_dmalloc_dmalloc_debug != yes ; then
		AC_CHECK_LIB(efence, malloc)
		AC_CHECK_LIB([efence], [malloc])
		fi
		fi
		fi
		@@ -252,24 +325,43 @@ CLIENT=birdcl
		CLIENT_LIBS=
		if test "$enable_client" = yes ; then
		CLIENT="$CLIENT birdc"
		AC_CHECK_LIB(history, add_history, CLIENT_LIBS="-lhistory")
		AC_CHECK_LIB(ncurses, tgetent, USE_TERMCAP_LIB=-lncurses,
		AC_CHECK_LIB(curses, tgetent, USE_TERMCAP_LIB=-lcurses,
		AC_CHECK_LIB(tinfow, tgetent, USE_TERMCAP_LIB=-ltinfow,
		AC_CHECK_LIB(tinfo, tgetent, USE_TERMCAP_LIB=-ltinfo,
		AC_CHECK_LIB(termcap, tgetent, USE_TERMCAP_LIB=-ltermcap,
		AC_MSG_ERROR([[The client requires ncurses library. Either install the library or use --disable-client to compile without the client.]]))))))
		AC_CHECK_LIB(readline, rl_callback_read_char, CLIENT_LIBS="-lreadline $CLIENT_LIBS $USE_TERMCAP_LIB",
		AC_MSG_ERROR([[The client requires GNU readline library 2.1 or newer. Either install the library or use --disable-client to compile without the client.]]), $USE_TERMCAP_LIB)
		AC_CHECK_LIB(readline, rl_crlf, AC_DEFINE([HAVE_RL_CRLF], [1], [Define to 1 if you have rl_crlf()]),,$USE_TERMCAP_LIB)
		AC_CHECK_LIB(readline, rl_ding, AC_DEFINE([HAVE_RL_DING], [1], [Define to 1 if you have rl_ding()]),,$USE_TERMCAP_LIB)
		AC_CHECK_LIB([history], [add_history], [CLIENT_LIBS="-lhistory"])
		AC_CHECK_LIB([ncurses], [tgetent], [USE_TERMCAP_LIB=-lncurses],
		AC_CHECK_LIB([curses], [tgetent], [USE_TERMCAP_LIB=-lcurses],
		AC_CHECK_LIB([tinfow], [tgetent], [USE_TERMCAP_LIB=-ltinfow],
		AC_CHECK_LIB([tinfo], [tgetent], [USE_TERMCAP_LIB=-ltinfo],
		AC_CHECK_LIB([termcap], [tgetent], [USE_TERMCAP_LIB=-ltermcap],
		[AC_MSG_ERROR([The client requires ncurses library. Either install the library or use --disable-client to compile without the client.])]
		)
		)
		)
		)
		)

		AC_CHECK_LIB([readline], [rl_callback_read_char],
		[CLIENT_LIBS="-lreadline $CLIENT_LIBS $USE_TERMCAP_LIB"],
		[AC_MSG_ERROR([The client requires GNU readline library 2.1 or newer. Either install the library or use --disable-client to compile without the client.])],
		[$USE_TERMCAP_LIB]
		)

		AC_CHECK_LIB([readline], [rl_crlf],
		[AC_DEFINE([HAVE_RL_CRLF], [1], [Define to 1 if you have rl_crlf()])],
		[],
		[$USE_TERMCAP_LIB]
		)

		AC_CHECK_LIB([readline], [rl_ding],
		[AC_DEFINE([HAVE_RL_DING], [1], [Define to 1 if you have rl_ding()])],
		[],
		[$USE_TERMCAP_LIB]
		)
		fi
		AC_SUBST(CLIENT)
		AC_SUBST(CLIENT_LIBS)
		AC_SUBST([CLIENT])
		AC_SUBST([CLIENT_LIBS])

		mkdir -p $objdir/sysdep
		AC_CONFIG_HEADERS([$objdir/sysdep/autoconf.h:sysdep/autoconf.h.in])
		AC_CONFIG_FILES(Makefile:Makefile.in)
		AC_CONFIG_FILES([Makefile:Makefile.in])
		AC_OUTPUT

		AC_MSG_RESULT()

lib/birdlib.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -14,9 +14,12 @@

		/* Ugly structure offset handling macros */

		struct align_probe { char x; long int y; };

		#define OFFSETOF(s, i) ((size_t) &((s *)0)->i)
		#define SKIP_BACK(s, i, p) ((s )((char )p - OFFSETOF(s, i)))
		#define BIRD_ALIGN(s, a) (((s)+a-1)&~(a-1))
		#define CPU_STRUCT_ALIGN (sizeof(struct align_probe))

		/* Utility macros */

sysdep/config.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@
		#include "sysdep/paths.h"

		/* Types */

		#include <stdint.h>
		typedef int8_t s8;
		typedef uint8_t u8;

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